JP4312746B2 - Gas stopper - Google Patents

Description

  The present invention relates to a gas stopper, and more particularly to a gas stopper installed on a wall surface.

  If you want to install the gas plug on the wall surface after the construction of the house, or if the gas pipe is configured to run on the wall surface, the gas plug pipe connection part to which the gas pipe is connected has a posture along the wall surface. A plug must be prepared, and when a gas pipe disposed inside a wall is used, a gas plug having a posture in which the pipe connecting portion faces the inside of the wall must be prepared.

Thus, what was disclosed in Japanese Utility Model Laid-Open No. 5-10881 has been proposed as a solution to the inconvenience of having to prepare a plurality of gas stoppers having different pipe connection portions.
As shown in FIG. 7, the gas stopper is composed of a gas stopper main body (4) and a joint member (5) connected to the gas stopper main body by screwing. A flange (41) in which four screw holes (40a) (40a) (40b) (40b) are formed overhangs the open end of the gas inflow cylinder portion side of 4), and the joint member (5) A flange (51) in which two insertion holes (50) and (50) are formed projects from the connection end portion to be connected to the gas inflow tube portion of the gas inflow cylinder, and these flanges (41) and (51) are overlapped with each other. At the same time, the insertion holes (50) and (50) should be screwed with fixing bolts (B) and (B) according to any two of the screw holes (40a) and (40b). Thus, the gas plug body (4) and the joint member (5) are integrally connected.
In the illustrated case, the pipe connection portion (52) of the joint member (5) is set in a posture protruding inward of the wall plate (W), and is inside the wall plate (W). Applicable when using gas piping.

When using a gas pipe arranged along the surface of the wall plate (W), remove the fixing bolt (B) (B) and separate the joint member (5) from the gas plug body (4). The joint member (5) is rotated upward or downward by about 90 degrees so that the insertion holes (50) and (50) correspond to the other two screw holes (40b) and (40b). (B) Screw with (B). As a result, as shown by the two-dot chain line in the figure, it is possible to provide a gas stopper having a posture in which the pipe connecting portion (52) faces upward or downward.
The gas plug body (4) is attached to the wall plate (W) via a mounting plate (42), and the mounting plate (42) covers the entire gas plug. (43) is installed.
Japanese Utility Model Publication No. 5-10881

  In the gas plug of the conventional configuration, the direction of the pipe connection part (52) can be changed to a desired direction, but when changing the direction of the pipe connection part (52), the fixing bolt (B) ( B) is removed, the joint member (5) is separated from the gas plug body (4), and after adjusting the posture of the joint member (5), the fixing bolts (B) and (B) are screwed again. Therefore, the posture changing work of the pipe connecting part (52) is complicated and troublesome. Further, if the removed fixing bolts (B) and (B) are lost, the work becomes more troublesome.

  Further, by separating the joint member (5) from the gas plug main body (4), the protection of the seal portion becomes insufficient, and dust is contained in the joint member (5) or in the gas plug main body (4). In this case, there is a disadvantage that it adversely affects parts such as a valve and a gas fuse in the gas stopper.

  In order to eliminate these inconveniences, it is conceivable to connect the joint member (5) to the gas plug body (4) so as to be rotatable. In this case, however, this type of gas plug is attached to the wall, so that something hits the gas plug or the gas pipe, a child gets on the top of the gas plug, or an earthquake. It is also conceivable that the gas pipe is pulled by such as. In such a case, it is considered that a force in the direction of separating both acts on the connection portion between the gas plug main body and the joint member, the connection portion is loosened, and in some cases, the joint member may come off from the gas plug main body. .

The present invention is a gas stopper attached to a flat part such as a wall surface via a mounting plate,
A gas stopper body removably attached to the mounting plate;
From a joint member having a connecting tube portion whose one end is rotatably connected to a gas inflow tube portion of the gas plug body via a seal portion, and a pipe connecting portion which communicates with the pipe and is connected to a pipe Become
In the gas stopper that is set so that the axial direction of the connecting tube portion and the axial direction of the pipe connecting portion are different from each other,
It is an object of the present invention to prevent the connecting portion between the joint member and the gas plug body from being loosened or detached even when a force acting from the gas pipe or an external impact force is applied to the gas plug or the gas pipe. To do.

The solving means of the present invention taken in order to solve the above-mentioned problem is that “the mounting plate is provided with a restricting portion for restricting movement of the joint member in the removal direction from the gas plug main body”.
The gas plug body is fixed to the wall surface via the mounting plate, and one end of the connecting cylinder part of the joint member is rotated to the gas inflow cylinder part which is one open end of the gas passage arranged along the wall surface. Connect as possible. Since the joint member is formed so that the connection tube part and the pipe connection part for connecting the pipe have mutually different axes, the joint member is substantially L-shaped so as to be orthogonal to each other, for example. From the first posture in which the pipe connection portion is also arranged along the wall surface in a state where the pipe connection portion is connected to the gas inflow cylinder portion arranged along the wall surface. If the connecting tube portion is rotated about 90 degrees toward the wall plate, the posture can be changed to the second posture in which the pipe connecting portion protrudes inward of the wall. At this time, the said pipe connection part turns into the aspect which fits in the notch currently formed in the said mounting plate, and becomes a mode which protrudes to the wall-plate side rather than the said mounting plate.

  Since the restricting portion provided on the attachment plate is brought into contact with the joint member, in the state where the gas plug main body on which the joint member is rotatably attached is attached to the attachment plate, the restricting portion is The attachment position of the joint member is restricted, and the joint member functions as a stopper that prevents the joint member from loosening and the joint member from coming off.

(2) The gas stopper of the invention according to claim 2 is the gas stopper according to claim 1, wherein the restricting portion is provided on the mounting plate that contacts the outer surface of the other end portion in the axial direction of the connecting tube portion. In the `` side wall piece provided '', the outer surface of the other end portion of the connection cylinder part of the joint member abuts on the side wall piece provided on the mounting plate, and the movement of the joint member in the pulling direction is restricted, The connection part between the gas plug main body and the joint member is prevented from loosening and the joint member from coming off.

(3) The gas plug of the invention according to claim 3 is the gas plug according to claim 2, wherein a convex shaft portion is projected toward the side wall piece at the center of the outer surface of the other end portion of the connection tube portion. The side wall piece is provided with a shaft hole that supports the convex shaft portion. ”By inserting the convex shaft portion into the shaft hole of the side wall piece, the rotation of the connecting cylinder portion is performed. It will function as a dynamic axis.

(4) The gas plug of the invention according to claim 4 is the gas plug according to any one of claims 1 to 3, wherein the gas plug body and the joint member are in a state where the mounting plate is removed. In the case of “separable”, by removing the joint member from the gas plug body after removing the gas plug body from the mounting plate, the gas fuse provided in the gas plug body can be replaced or maintained. . In addition, in the state in which the gas stopper main body is attached to the attachment plate, the joint portion cannot be removed from the gas stopper main body.

(5) The gas stopper of the invention according to claim 5 is the gas stopper according to claim 4, wherein an annular concave groove is formed on the outer peripheral surface of the gas inflow tube portion of the gas stopper body, A screw hole having a smaller diameter than the width of the annular groove is formed at a predetermined position in the vicinity of the one end of the connecting tube portion corresponding to the annular groove. The annular groove and the screw hole Therefore, if a retaining screw is screwed into the screw hole, the tip of the screw is positioned in the annular groove of the gas plug body. As a result, the connecting cylinder portion is held in the retaining state while maintaining the rotation state with respect to the gas inflow cylinder portion by the retaining screw.
In order to remove the joint member from the gas plug body, it is only necessary to remove the retaining screw and pull out the joint member from the gas plug body with the mounting plate removed from the gas stopper body.

(6) The gas plug of the invention according to claim 6 is the gas plug according to any one of claims 1 to 5, wherein “the mounting plate has a size substantially including the gas plug body and the joint member. It is set, and when the joint member is rotated according to the direction of the gas pipe, a notch through which the pipe connecting portion can be inserted is formed so as to open to one side of the mounting plate. When installing a gas stopper on the wall, a sufficient installation surface can be secured, and the direction of the joint member can be easily adjusted according to the direction of the piping.

(7) The gas plug of the invention according to claim 7 is the gas plug according to any one of claims 1 to 6, wherein “the gas plug main body and the entire joint portion are opened to the back side. The cover body to be covered is attached to the mounting plate, and the socket insertion surface of the cover body is inclined with respect to the wall surface so that the socket insertion hole can be seen from the front. Sockets can be inserted and removed.

  According to the first aspect of the present invention, since the direction of the pipe connecting portion can be easily changed according to the arrangement position and direction of the pipe, the gas stopper can be easily attached and can be quickly performed. . In addition, since the movement of the joint member in the pull-out direction is restricted by the restriction portion provided on the mounting plate, even if a force in the direction of separating both acts on the connection portion of the gas plug body and the joint member, the connection portion Can be prevented and the coupling member can be prevented from coming off from the gas plug body.

  According to the invention which concerns on Claim 2, the other end part outer surface of the said connection cylinder part of the said joint member is contact | abutted to the side wall piece provided in the said attachment plate, and the movement to the extraction direction of the said joint member is controlled. Therefore, as the position regulating structure, the joint member can use the end surface (the other end outer surface) of the connecting tube portion, and the mounting plate can be configured by bending one end surface of the mounting plate. . Therefore, it can be realized with a simple structure without requiring special parts.

  According to the invention of claim 3, by supporting the convex shaft portion in the shaft hole, the rotation shaft of the joint member is stabilized, the joint member can be smoothly rotated, and the tension from the gas pipe is increased. Even if force or external impact acts on the gas plug main body or the joint member, the biased force does not act on the seal part or the connection part.

  According to the invention of claim 4, after removing the gas plug body from the mounting plate, the coupling member is removed from the gas plug body to replace or maintain the gas fuse provided in the gas plug body. Can do. Further, since the gas plug main body is attached to the mounting plate at the time of construction such as installation work of the gas plug, the joint from the gas plug main body to the joint by the position regulation structure between the mounting plate and the joint portion. The part is not accidentally removed.

  According to the invention which concerns on Claim 5, since the said gas stopper main body and the said coupling member are connected by the screw for retaining, the structure of retaining is simple.

  According to the invention which concerns on Claim 6, when installing a gas stopper in a wall surface, since a sufficient installation surface can be ensured, installation work can be performed easily. Further, since the direction of the joint member can be easily adjusted via the notch portion of the mounting plate according to the direction of the piping, the workability of installing the gas plug is good.

  According to the invention which concerns on Claim 7, since insertion and removal of a socket can be performed, confirming a socket insertion hole by visual observation, operativity is good.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a longitudinal sectional view of an assembled state of a gas stopper according to an embodiment of the present invention, FIG. 2 is a rear view thereof, and FIG. 3 is a right side view of FIG. FIG. 4 is an explanatory diagram of an example in which the posture is changed from the state of FIG.

  The gas stopper of this embodiment comprises a gas stopper main body (1) and a joint member (2) removably connected thereto, and the gas stopper main body (1) is screwed to a mounting plate (3). Thus, the gas stopper is attached to the wall surface via the attachment plate (3). Note that a cover body (44) surrounding the gas plug main body (1) and the joint member (2) is attached to the mounting plate (3).

First, the gas stopper main body (1) will be described.
The gas plug body (1) has a substantially L-shaped gas passage from a gas outflow tube portion (11) comprising a plug tube portion (10) for connecting a socket and a gas inflow tube portion (12) orthogonal thereto. A support body (13) through which two through holes penetrate is continuously provided on the closed end portion side in the axial direction of the gas outflow cylinder portion (11).

  The plug tube portion (10) is for connecting a socket at the tip of a gas hose extended from a gas appliance, and this socket is not shown, but when the plug tube portion (10) is attached to the plug tube portion (10), The ball for locking that fits in the annular recess (10a) formed on the outer periphery of the tip of the plug cylinder (10) and the valve element (14) built in the plug cylinder (10) are pressed inward. It is possible to adopt a gas hose connection socket with a built-in conventional coupling device consisting of a pressing shaft and an advancing and retracting cylinder that protrudes forward of the socket by a spring (15) when it is attached to the plug cylinder (10). is there. When the socket is attached to the plug cylinder (10), the plug cylinder (10) is opened by the valve body (14) being pushed inward by the pressing shaft.

  A metal plate (16) is fixed in the vicinity of the base end portion of the plug tube portion (10), and an operation button for removing the socket is provided on the metal plate so as to be in parallel with the plug tube portion (10). The shaft portion (17a) of (17) is fixed. Also, a metal shaft support shaft (18) is attached to the plug cylinder (10), and swing levers (19) are rotatably mounted on both ends of the support shaft (18). ing.

  When the socket is connected to the plug tube portion (10), the tip of the swing lever (19) is pushed by the tip of the socket and swings, so that the operation button (17) protrudes downward in the drawing. Then, when removing the socket, if the operation button (17) is pushed upward, the swing lever (19) is rotated, and the forward and backward movement of the socket is pushed in the unlocking direction at the tip, thereby The socket is removed from the plug cylinder (10).

When the socket is removed from the plug cylinder (10), the valve body (14) is pushed by the elastic return force of the spring (15), and the plug cylinder (10) is closed.
A gas fuse (30) is housed in the gas passage on the gas inflow cylinder part (12) side, and an annular concave groove (23) is provided on the outer peripheral surface of the gas inflow cylinder part (12). Is formed in the direction.

Next, the joint member (2) will be described.
The joint member (2) includes a connecting tube portion (21) that is rotatably fitted to the gas inflow tube portion (12), and a pipe connecting screw portion (22) to which a pipe is connected in different axial directions. The connecting tube portion (21) and the pipe connecting screw portion (22) are communicated with each other through an oblique passage (24).
Two screw holes (25) and (25) are formed 180 degrees apart from each other at a position corresponding to the annular groove (23) in the vicinity of the open end of the connection tube portion (21). Yes.

When the retaining screws (251) and (251) are respectively screwed into the screw holes (25) and (25), the screw shafts are loosely fitted into the annular concave grooves (23), and the connection tube portion (21 ) Is connected to the gas inflow tube portion (12) so as to prevent the gas inflow and turn.
A convex shaft portion (20) projects outward from the center of the outer surface (26) of the other end portion in the axial direction of the connecting tube portion (21).
A plurality of O-rings (27) and (28) are interposed between the inner peripheral surface of the connecting tube portion (21) and the outer peripheral surface of the gas inflow tube portion (12), and a seal between them is provided. The sex is secured.

Next, the mounting plate (3) will be described.
The mounting plate (3) for mounting the gas plug main body (1), the mounting plate (3) is almost the entire area of the gas plug main body (1), the operation button (17) and the joint member (2) (the joint member (2) A state in which the gas stopper is mounted on the surface of the mounting plate (3), which is made of a rectangular metal plate corresponding to a part of the pipe connection screw (22) and the tip of the operation button (17). As shown in FIG. 2, screw holes (32) and (32) are formed at positions corresponding to the through holes penetrating the support (13) of the gas plug body (1). In addition, in the rotational direction of the pipe connection screw portion (22), a notch (33) through which the pipe connection screw portion (22) can be inserted is formed to open upward in the drawing. .

At predetermined positions on the surface of the mounting plate (3), a plurality of screw insertion holes (34) (34) for inserting wood screws for mounting on the wall plate are formed, and the mounting plate (3) The peripheral edge is partially bent to the surface side to form an upstanding piece (31).
The upright piece (31) at a position just corresponding to the outer surface (26) of the other end of the connection tube portion (21) is further extended to the surface side so as to contact the outer surface (26) of the other end. A side wall piece (35) is formed. A shaft hole (36) is formed in the side wall piece (35) at a position corresponding to the convex shaft portion (20) so that the convex shaft portion (20) can be pivotally supported.

  In order to assemble the gas plug main body (1), the joint member (2), and the mounting plate (3), first, an O-ring is provided near the open end of the gas inlet cylinder (12) of the gas plug main body (1). (27) (28) is externally fitted, and then one end open part of the connection cylinder part (21) of the joint member (2) is externally fitted to the gas inflow cylinder part (12), and the gas inflow cylinder part (12 The screw holes (25) (25) formed in the gas inflow cylinder portion (12) are aligned with the annular concave grooves (23), and the screw holes (25) (25) are provided with retaining screws (251). ) (251). As a result, the joint member (2) is connected to the gas plug main body (1) in a state in which sealing performance is secured and in a state of being prevented from coming off and being rotatable.

  Next, the shaft hole (36) formed in the side wall piece (35) of the mounting plate (3), the convex shaft portion (20) protruding from the other end portion outer surface (26) of the joint member (2). ), And the insertion hole penetrated through the support (13) is aligned with the screw hole (32) (32) of the mounting plate (3), and the mounting screw (131) (131) is inserted from the insertion hole. The gas plug main body (1) is fixed to the surface of the mounting plate (3) by being inserted and screwed into the screw holes (32) and (32). At this time, the notch (33) is made to correspond to a predetermined portion of the mounting plate (3) corresponding to the pipe connecting thread portion (22) of the joint member (2).

  FIG. 1, FIG. 2 and FIG. 3 show the gas stopper when the gas pipe (not shown) is arranged along the wall surface, and the plug cylinder portion (10) faces downward and the pipe. Set the posture of the gas plug body (1) and the posture of the joint member (2) so that the connection screw portion (22) faces upward, and the pipe connection screw portion (22) below the connection end of the gas pipe The mounting plate (3) is attached at a predetermined position on the wall surface so that the Then, as shown in FIG. 3, a mounting plate provided with a gas plug is obtained by screwing wood screws into the wall plate from the screw insertion holes (34) (34) formed in the mounting plate (3). (3) can be attached and fixed to the wall surface, and the connection end of the gas pipe can be connected to the pipe connection screw part (22) that opens upward.

  Further, when using the gas pipe disposed in the wall plate (W), the connecting tube portion (21) is rotated about 90 degrees toward the mounting plate (3), as shown in FIG. Then, the pipe connection screw part (22) is projected to the back side of the mounting plate (3). Since the notch (33) is formed on the mounting plate (3) so as to open upward, the posture change from the first posture shown in FIG. 3 to the second posture shown in FIG. Can be done smoothly.

Then, the mounting plate (3) is attached to the surface of the wall plate (W) in such a manner that the pipe connecting screw portion (22) is inserted into the opening (Wo) formed in the wall plate (W), and the wood plate If screwed with a screw, a gas stopper corresponding to the gas pipe inside the wall plate (W) can be attached to the wall plate (W).
In each of the above attachment states, the cover body (44) is covered so as to be fitted over the upright piece (31) of the attachment plate (3).

The cover body (44) is a resin molded product that opens to the back surface, and a cutout (45) is formed on the upper surface thereof so as to open to the rear (back surface side) as shown in FIG. . The notch (45) can be closed by a closing plate (46) when not in use, as shown in FIG.
That is, when the posture of the joint member (2) is the first posture shown in FIG. 3, the blocking plate (46) is removed to open the notch (45), and the pipe connecting screw portion (22) is moved to the notch (45 ) Can be projected upward. When the joint member (2) is in the second posture shown in FIG. 4, the closing plate (46) is kept closed.

  Further, as shown in FIGS. 3 and 4, the lower surface of the cover body (44) is composed of an inclined surface that descends toward the wall plate (W). As shown, openings (47) and (48) for exposing the plug cylinder part (10) and the operation button (17) are formed, and an opening (47) corresponding to the tip of the plug cylinder part (10) is formed. ) Is closed by a cover plate (49) as shown in FIGS. 1 and 6 when the plug cylinder (10) is not used.

When the cover plate (49) is removed when the plug tube portion (10) is used, as shown in FIG. 5, the opening (47) and the tip end portion of the plug tube portion (10) inside the cover body (10) 44), the socket can be easily attached to the plug cylinder (10).
The cover body (44) is partially screwed to the upright piece (31) of the mounting plate (3) with a mounting screw (37).

During maintenance of the gas plug with the cover body (44) having the above-described configuration, first, the gas supply is shut off and the gas plug is removed from the gas pipe. Next, the mounting screw (37) is loosened, and the cover body (44) is removed from the mounting plate (3). Then, while removing the mounting screws (131) (131) and pulling out the convex shaft portion (20) from the shaft hole (36), the combined body of the gas plug main body (1) and the coupling member (2), It can be removed from the mounting plate (3). Then, by loosening the retaining screw (251) (251), detaching the screw shaft from the annular groove (23), and pulling the joint member (2) away from the gas plug body (1), the joint member (2) can be separated from the gas plug body (1). In this state, various parts such as the gas fuse (30) in the gas plug main body (1) and the joint member (2) can be repaired or replaced.
After repair, the gas plugs are assembled in the reverse order, connected to the gas pipe, and installed on the wall.

The longitudinal cross-sectional view which shows the state which attached the gas stopper in embodiment of this invention invention to the attachment board. The rear view of FIG. The right view of FIG. 1 which made only the cover body a cross section. Explanatory drawing of the modification of FIG. The front view of the state which attached the cover body. The bottom view of the state which attached the cover body. Explanatory drawing of the conventional wall-mounted gas stopper.

Explanation of symbols

(1) ・ ・ ・ ・ ・ ・ Gas stopper body
(11) ・ ・ ・ ・ ・ ・ Gas outflow tube
(12) ・ ・ ・ ・ ・ ・ Gas inflow cylinder
(2) .... Fitting member
(21) ... Connection tube
(22) ・ ・ ・ ・ ・ ・ Piping connection thread
(26) ・ ・ ・ ・ ・ External surface
(3) ・ ・ ・ ・ ・ ・ Mounting plate
(35) ・ ・ ・ ・ ・ ・ Side wall piece
(33)

Claims (7)

A gas stopper attached to a flat surface such as a wall surface via a mounting plate,
A gas stopper body removably attached to the mounting plate;
From a joint member having a connecting tube portion whose one end is rotatably connected to a gas inflow tube portion of the gas plug body via a seal portion, and a pipe connecting portion which communicates with the pipe and is connected to a pipe Become
In the gas stopper that is set so that the axial direction of the connecting tube portion and the axial direction of the pipe connecting portion are different from each other,
A gas stopper according to claim 1, wherein a restriction portion is provided on the mounting plate to restrict movement of the joint member in the direction of removal from the gas stopper body.   2. The gas plug according to claim 1, wherein the restricting portion is a side wall piece projecting from the mounting plate in contact with an outer surface of the other end portion of the connecting cylinder portion in the axial direction. .   3. The gas stopper according to claim 2, wherein a convex shaft portion is provided to project toward the side wall piece at the center of the outer surface of the other end portion of the connection cylinder portion, and the convex shaft portion rotates on the side wall piece. A gas stopper characterized in that a shaft hole that can be freely supported is provided.   The gas plug according to any one of claims 1 to 3, wherein the gas plug body and the joint member are separable in a state where the mounting plate is removed. The gas stopper according to claim 4, wherein an annular groove is formed in a circumferential direction on an outer peripheral surface of the gas inflow tube portion of the gas stopper body,
A gas stopper, wherein a screw hole having a diameter smaller than the width of the annular groove is formed at a predetermined position near the one end of the connecting cylinder corresponding to the annular groove.   The gas plug according to any one of claims 1 to 5, wherein the mounting plate is set to a size substantially including the gas plug body and the joint member, and the joint member according to a direction of a gas pipe. A gas stopper, wherein a notch through which the pipe connecting portion can be inserted when the pipe is rotated is formed to open to one side of the mounting plate. The gas plug according to any one of claims 1 to 6, wherein a cover body that opens to the back side and covers the whole of the gas plug main body and the joint member is attached to the mounting plate, and the socket of the cover body A gas stopper characterized in that the insertion surface is inclined with respect to the wall surface so that the socket insertion hole is visible from the front.

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